On Thu, Jun 28, 2012 at 02:29:08PM -0500, W. Michael Petullo wrote:
> I am attempting to run Xen on an AMD FX-4170 Quad-Core Processor.
> I have installed Fedora 17 to serve as Dom0.
> 
> I am finding that Python does not run well on this
> configuration. Specifically, "import random" causes the Python interpreter
> to terminate with "Illegal instruction". This means that xend and yum will
> not run.
> 
> I filed a bug under yum [1], but just realized that things work if I
> boot Fedora 17 on bare metal.
> 
> Under Xen, /proc/cpuinfo reports the following flags:
> 
> fpu de tsc msr pae cx8 apic cmov pat clflush mmx fxsr sse sse2 ht syscall
> nx mmxext fxsr_opt lm constant_tsc rep_good nopl nonstop_tsc extd_apicid
> aperfmperf pni pclmulqdq ssse3 cx16 sse4_1 sse4_2 popcnt aes hypervisor
> lahf_lm cmp_legacy extapic cr8_legacy abm sse4a misalignsse 3dnowprefetch
> xop fma4 perfctr_core arat cpb hw_pstate
> 
> Has anyone had similar trouble?

No. But it sounds like the AVX disaster.

https://bugzilla.redhat.com/show_bug.cgi?id=801650

> 
> [1] https://bugzilla.redhat.com/show_bug.cgi?id=829011
> 
> -- 
> Mike
> 
> :wq
> --
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